“Hold fast onto making tasbih [saying Subhanallah], tahlil [saying La ilaha illallah] and glorifying Allah, and count them on your fingers for they [your fingers] will be questioned and asked to speak”

Reference

Imam Tirmidhi and Imam Ibn Hibban (rahimahumallah) have recorded this narration on the authority of Sayyidah Yusayrah (radiyallahu ‘anha). Imam Abu Dawud (rahimahullah) has recorded it with slight variation in the wording.